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Neighbor's phone causing disconnects?

Discussion in 'Networking Issues' started by rpeters83, Apr 23, 2006.

  1. rpeters83

    rpeters83 Network Guru Member

    I have a WRT54G v2 with DD-WRT 23 and a pair of 8 dbi linksys antennas and this issue affects all the clients connected.

    My issue is, I can be working fine connected at full-blast anywhere in the house. Usually once every 1-3 days, I'll get randomly dropped and unable to even find my AP. If it is found, I cant connect to it and it'll drop out. A reboot and change of channel usually fixes the problem but sometimes it doesnt.

    For example, I can be on channel 11 and switching to 6 will help but connection isnt too stable.

    It is not a problem with WZC, as I have the same issue with my client card drivers with latest drivers. (BTW, i have a broadcom 54g card built in).

    We have no 2.4 Ghz phones, not even a land-line phone at all! We do live in a set of town homes however.

    As far as placement of the router, the only other place I can put it really is on the middle floor behind the TV set, though I spend most of my time upstairs on it in my office.

    Could this be the result of a neighbor's phone causing interference issues? Could the strength of a neighbor's phone next door or even across the street cause this? Thanks!
  2. floppydisk

    floppydisk Network Guru Member

    try using different channels....like 1 or 5....or reinstall DD-WRT and see what happens...
  3. rpeters83

    rpeters83 Network Guru Member

    i tried multiple firmwares and multiple channels with each.
  4. NateHoy

    NateHoy Network Guru Member

    It could be. If your neighbor has a spread spectrum 2.4 GHz phone, and his base unit is near your router or is broadcasting a lot stronger than your router.

    If you've tried all the various channels, or at least 1,3,7,and 11 (which are all distant enough from each other to be isolated from any one specific interference source), you can try a few things.

    1. Use a signal "focusing" device like you can build at www.freeantennas.com to both block your router from interference from your neighbor's cordless base, and strengthen the link between your wireless router and wireless card.

    2. Increase the signal strength in your router (this will be less effective than #1, since you are basically "playing the volume game" with the router vs. his phone, and not doing a thing for signal QUALITY or the signal strength from your wireless client machine, so the cordless phone can still probably interfere).

    3. Line the walls of your apartment between your unit and your interference-causing neighbor with aluminum foil or some other conductive metal in sheet or grid form, and ground it. Martha Stewart would not approve.

    4. Make a deal with your neighbor. Bring him a 12 pack of his favorite brew, or a decent bottle of wine, and ask him very nicely to unplug his 2.4GHz base unit and take the batteries out of the handset for one week. If your problem subsequently goes away, give your neighbor a nice early Christmas present - a nice new 5.8GHz cordless phone, in return for his 2.4Ghz phone which you would then donate to your local Goodwill or Salvation Army.

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